JEE PYQ: Solutions And Colligative Properties Question 43
Question 43 - 2019 (11 Jan Shift 1)
The freezing point of a diluted milk sample is found to be $-0.2°C$, while it should have been $-0.5°C$ for pure milk. How much water has been added to pure milk?
(1). (1 cup of water to 2 cups of pure milk)
(2). (3 cups of water to 2 cups of pure milk)
(3). (1 cup of water to 3 cups of pure milk)
(4). (2 cups of water to 3 cups of pure milk)
Show Answer
Answer: (2)
Solution
$W’/W = 0.5/0.2 = 5/2$. 2 cups of pure milk mixed with 3 cups of water to make 5 cups of diluted milk.
BETA
